Impurity Reference Standards
API Impurities
Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.
Ethyl 7-Chloro-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylate
- CAS
- 86483-54-7
- Formula
- C15H13ClFNO3
- MW
- 309.72 g/mol
ZX-031206
Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate
- CAS
- 1133419-00-7
- Formula
- C20H20ClNO5S
- MW
- 421.9 g/mol
ZX-027345
Ethyl 8-(2,4-dioxo-2H-benzo[e][1,3]oxazin-3(4H)-yl)octanoate
- CAS
- 287935-37-9
- Formula
- C18H23NO5
- MW
- 333.4 g/mol
ZX-022746
Ethyl 8-isocyano-2,2-dimethyl-8-[(4-methylphenyl)sulfonyl]octanoate
- CAS
- 738607-02-8
- Formula
- C20H29NO4S
- MW
- 379.5 g/mol
ZX-023511
Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate
- CAS
- 27143-07-3
- Formula
- C11H13ClN2O3
- MW
- 256.68 g/mol
ZX-023327
Ethyl N-(2,6-dimethylphenyl)-N-(1,1-dioxidotetrahydro-2H-thiopyran-4-carbonyl)glycinate
- CAS
- 625117-31-9
- Formula
- C18H25NO5S
- MW
- 367.5 g/mol
ZX-023236
Ethyl trans-2-(4-aminocyclohexyl)acetate hydrochloride
- CAS
- 76308-26-4
- Formula
- C10H20ClNO2
- MW
- 221.72 g/mol
ZX-036525
Ethyl-1-(4-chlorophenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7- tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- CAS
- 2029205-62-5
- Formula
- C26H25ClN4O4
- MW
- 493 g/mol
ZX-023323
Ethyl-2-(6-amino-2,3-dichlorobenzylamino)acetate Hydrochloride
- CAS
- 85325-12-8
- Formula
- C11H15Cl3N2O2
- MW
- 313.6 g/mol
ZX-023296
Ethyl-2-Amino-4-methyl-5-(4-nitro-phenyl)-thiophene-3-carboxylate
- CAS
- 174072-89-0
- Formula
- C14H14N2O4S
- MW
- 306.34 g/mol
ZX-032140
Ethyl(1S,5R)-2-oxo-3-oxabicyclo[3.1.0]hexane-1-carboxylate
- CAS
- 145032-58-2
- Formula
- C8H10O4
- MW
- 170.16 g/mol
ZX-036026
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